Right Click on that Folder and click on “Change My Folder Icon”
Soon It opens a Pop up Window > Click on the Category of Icon from Left Pane > Click on Icon you feel is better as per your choice.
How to add my own icon :
If you have your own icons which you want to display in “Change My Folder Icon” software, Simply create a sub-folder where (search in each drive on your local machine – default is “C\” drive) our software is installed, Look for “Icon-General” folder.
Once you have placed your sub folder inside this location, Follow the steps mentioned in “How to change Icon” , new icons will be listed immediately and ready to apply !